71929980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{6551}}^1$

素因数の和:6627

約数の個数: 72

約数和(自身を含む): 221798304

約数和(自身を除く): 149868324

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1830, 2196, 2745, 3660, 5490, 6551, 10980, 13102, 19653, 26204, 32755, 39306, 58959, 65510, 78612, 98265, 117918, 131020, 196530, 235836, 294795, 393060, 399611, 589590, 799222, 1179180, 1198833, 1598444, 1998055, 2397666, 3596499, 3996110, 4795332, 5994165, 7192998, 7992220, 11988330, 14385996, 17982495, 23976660, 35964990, 71929980]

約数ペア:

[(1, 71929980), (2, 35964990), (3, 23976660), (4, 17982495), (5, 14385996), (6, 11988330), (9, 7992220), (10, 7192998), (12, 5994165), (15, 4795332), (18, 3996110), (20, 3596499), (30, 2397666), (36, 1998055), (45, 1598444), (60, 1198833), (61, 1179180), (90, 799222), (122, 589590), (180, 399611), (183, 393060), (244, 294795), (305, 235836), (366, 196530), (549, 131020), (610, 117918), (732, 98265), (915, 78612), (1098, 65510), (1220, 58959), (1830, 39306), (2196, 32755), (2745, 26204), (3660, 19653), (5490, 13102), (6551, 10980)]